Charter Oak Unified School District (COUSD) is a unified school district located in Covina, California, serving nearly 5,000 students in the unincorporated community of Charter Oak and portions of the cities of Covina, Glendora and San Dimas, and the unincorporated community of West San Dimas.

Board members are elected directly by voters residing within the district.

Current board members are: Brian R. Akers, President; Gregg Peterson, Vice President; Jane E. Bock; Jeanette V. Flores and David Rose.

[2] Charter Oak School Unified District traces its roots to 1894.

Charter Oak School opened in September of that year with 24 students housed in a tent.